Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/24632
Title: Techniques for buckling experiments on steel silo transition junctions
Authors: Teng, JG 
Zhao, Y
Lam, L
Keywords: Buckling
Experiments
Imperfections
Postbuckling
Shells
Stability
Steel silos
Transition junctions
Issue Date: 2001
Publisher: Pergamon Press
Source: Thin-walled structures, 2001, v. 39, no. 8, p. 685-707 How to cite?
Journal: Thin-walled structures 
Abstract: Large elevated steel silos generally consist of a cylindrical vessel, a conical discharge hopper and a skirt which may either be supported on the ground or by a number of columns. The cone-cylinder-skirt junction is subject to a large circumferential compressive force due to the radial component of the meridional tension in the hopper, so either a ring is provided or the shell walls are locally thickened to strengthen the junction. Many theoretical studies have examined the buckling and collapse strengths of these junctions, but no previous experimental study has been reported. This has been due to the great difficulties associated with testing these thin-shell junctions at model scale. This paper first describes the development of an experimental facility for testing model steel silo transition junctions. Issues covered include the fabrication of quality model junctions using thin steel sheets, the loading method and the precise three-dimensional measurement of geometric imperfections and deformed shapes using a laser-displacement meter. Typical experimental results of a cone-cylinder-skirt-ring junction are next presented to demonstrate the capability of the developed facility. Procedures for processing the test results to determine both the buckling load and the number of buckling waves are also presented.
URI: http://hdl.handle.net/10397/24632
ISSN: 0263-8231
EISSN: 1879-3223
DOI: 10.1016/S0263-8231(01)00030-1
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